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Can you believe it? The Moon's surface area is smaller than Asia's, yet it could easily hold the wat
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0:36
Without any real power, the British royal family still incurs annual expenses of 3 billion! Why does
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0:33
What exactly is the principle behind the "death hammer"? Why doesn't the hammer bounce back after yo
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0:34
Japan's most shameful custom: What exactly is "night climbing," and why on earth does this ugly prac
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0:38
Why do we pass black stools after eating pig blood? Could it be that our body is detoxifying?
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4:33
[Mystery Exploration] Is Advancing to an Advanced Civilization Within Reach? Building a Dyson Sphere
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4:47
What is "entropy"? And why does the law of entropy increase drive countless scientists to despair?
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0:48
Trump reinstates the death penalty in the U.S.! What does this really mean for America?
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10:57
The Essence of Sleep: Why Do Humans Need to Sleep? [Mystery Exploration]
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0:48
Saudi Arabia, with an area of 2.25 million square kilometers, doesn't have a single river! How on ea
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0:40
What happens when inmates serving “life sentences” grow old? If they can no longer care for themselv
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0:42
Anti-theft windows are everywhere in China, but why don’t crime-ridden countries in Europe and Ameri
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4:39
How terrifying is the universe's highest temperature—140 quintillion quintillion degrees? Time and s
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1:01
The most unfortunate astronaut in history was forgotten in space for 311 days during a mission—and b
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5:22
[Mystery Exploration] With a mass 4 million times that of the Sun! Just how terrifying is the superm
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0:43
How are worn-out banknotes collected by banks handled? Turns out they're simply destroyed!
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0:45
The world's largest glass factory—its machines can't stop for a moment, 24 hours a day. If they do s
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3:39
In 1977, a farmer from Hebei named Huang Yanqiu reportedly flew three times—each time traveling thou
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0:44
Ticket purchases are already subject to real-name registration—so why do scalpers persist despite re
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0:58
The U.S. refused China's request to join the International Space Station—its reasoning is infuriatin
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